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| author | Harald Welte <laforge@osmocom.org> | 2021-12-27 12:53:11 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@osmocom.org> | 2021-12-28 11:29:19 +0100 |
| commit | 4ae2bac4eeeda63df03dc002c8502956241fbfe7 (patch) | |
| tree | 8f97b583331b16eeae76b202540eb89b1f62761a /2021/osmodevcall-v5/isdn-control.msc | |
| parent | 068b912bf1fd2505bb6f9db85ae790d1c0168dfa (diff) | |
Diffstat (limited to '2021/osmodevcall-v5/isdn-control.msc')
| -rw-r--r-- | 2021/osmodevcall-v5/isdn-control.msc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2021/osmodevcall-v5/isdn-control.msc b/2021/osmodevcall-v5/isdn-control.msc new file mode 100644 index 0000000..0b89b85 --- /dev/null +++ b/2021/osmodevcall-v5/isdn-control.msc @@ -0,0 +1,19 @@ +msc { + hscale=3; + te [label="TE"], nt [label="NT"], an [label="AN"], le [label="LE"], l23 [label="L23"]; + + --- [label="LE initiated activation of ISDN user port"]; + le <= l23 [label="MPH-AR\nActivate Request"]; + an <= le [label="FE101\nActivate access"]; + te <=> an [label="Activation procedure"]; + an => le [label="FE104\nAccess activated"]; + le => l23 [label="MPH-AI\nActivate Indication"]; + ...; + te => an [label="UL LAPDm frames"]; + an => le [label="Enveloped UL LAPDm frames"]; + le => l23 [label="UL LAPDm frames"]; + + le <= l23 [label="DL LAPDm frames"]; + an <= le [label="Enveloped DL LAPDm frames"]; + te <= an [label="DL LAPDm frames"]; +} |